EP2643086A1 - Katalysatorformkörper für durchströmte festbettreaktoren - Google Patents
Katalysatorformkörper für durchströmte festbettreaktorenInfo
- Publication number
- EP2643086A1 EP2643086A1 EP11793371.3A EP11793371A EP2643086A1 EP 2643086 A1 EP2643086 A1 EP 2643086A1 EP 11793371 A EP11793371 A EP 11793371A EP 2643086 A1 EP2643086 A1 EP 2643086A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- corners
- catalyst
- shaped
- shaped catalyst
- catalyst body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 191
- 238000000465 moulding Methods 0.000 claims description 59
- 238000007254 oxidation reaction Methods 0.000 claims description 26
- 229930195733 hydrocarbon Natural products 0.000 claims description 21
- 150000002430 hydrocarbons Chemical class 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 21
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910052720 vanadium Inorganic materials 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 239000011574 phosphorus Substances 0.000 claims description 11
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 8
- 230000036961 partial effect Effects 0.000 claims description 8
- 150000002739 metals Chemical class 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 150000002484 inorganic compounds Chemical class 0.000 claims description 5
- 229910010272 inorganic material Inorganic materials 0.000 claims description 5
- 150000002894 organic compounds Chemical class 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000011148 porous material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 239000012018 catalyst precursor Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- JKJKPRIBNYTIFH-UHFFFAOYSA-N phosphanylidynevanadium Chemical compound [V]#P JKJKPRIBNYTIFH-UHFFFAOYSA-N 0.000 description 3
- 238000002459 porosimetry Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical class CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- -1 aluminum silicates Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N 1-Heptene Chemical class CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000736305 Marsilea quadrifolia Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- LJYCJDQBTIMDPJ-UHFFFAOYSA-N [P]=O.[V] Chemical compound [P]=O.[V] LJYCJDQBTIMDPJ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229940065285 cadmium compound Drugs 0.000 description 1
- 150000001662 cadmium compounds Chemical class 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 125000004817 pentamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Definitions
- the present invention relates to a shaped catalyst body for the catalytic conversion of organic and inorganic compounds in fixed bed reactors.
- Maleic anhydride is a chemical intermediate of considerable commercial interest. It is used for example in the production of alkyd and polyester resins alone or in combination with other acids. In addition, it also provides a versatile intermediate for chemical synthesis, for example, for the synthesis of gamma-butyrolactone, tetrahydrofuran and 1,4-butanediol, which in turn are used as solvents or polymers, such as
- VPO vanadium-phosphorus-oxide catalyst
- oxidation catalysts various shaped catalyst bodies and various process procedures are used.
- the oxidation catalysts contain mixed oxides of vanadium and phosphorus, with such vanadium oxidation catalysts having a valence of +3.8 to +4.8 being particularly suitable for the production of maleic anhydride from saturated hydrocarbons having at least four carbon atoms in a straight chain have proven.
- the VPO catalysts also contain promoters such as metals, which may be present in the oxidation catalyst in the form of their oxides.
- EP1261424 B1 relates to a catalyst for the preparation of maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least 4 carbon atoms.
- This catalyst contains a catalytically active composition of a vanadium-phosphorus mixed oxide and has a substantially hollow cylindrical structure.
- the hollow cylinder is designed such that the ratio of the height to the diameter of the passage opening is at most 1.5 and the ratio of the geometric surface to the geometric volume of the shaped body is at least 2 mm 4 .
- EP0552287 Bl describes a shaped catalyst body for
- the shaped body comprises a solid geometric shape with at least one arranged in the outer surface cavity.
- the molded body is formed from mixed oxides of vanadium and phosphorus and has a geometric volume of 30% to 67% of the geometric volume, which occupies the cavity free massive shaped body, wherein the ratio of the geometric surface of the shaped body to the geometric volume of the molding at least 20 crrT is 1 .
- WO2007051602 Al relates to a shaped catalyst body for the preparation of maleic anhydride, containing mixed oxides of vanadium and phosphorus as the catalyst component.
- the geometric base body enveloping the shaped catalyst body is a prism having a first and a second triangular surface and the shaped catalyst body is provided with three through openings extending from a first surface of the shaped body which spans the first triangular face of the prism, to a second face of the molding which spans the second triangular face of the prism.
- WO0158590 Al relates to a supported Pd / Ag catalyst, wherein the shaped body has a trilobal geometry.
- EP0004079 describes a catalyst for the preparation of vinyl acetate in the gas phase, the precious metals of transition group 8, gold, alkali, alkaline earth and cadmium compounds. contains gene on a support having a star-shaped cross-section.
- DE3141942 C2 relates to a cylindrical shaped catalyst body which has the shape of a circular cylinder with a plurality of longitudinal recesses, which have a certain depth and width.
- EP220933 AI describes four-leaf clover, catalytic extrudates for reactions of hydrocarbons in fixed bed reactors (Quadrulobes).
- EP1108470 Bl catalysts are described with an active catalyst mass on an inert support in the form of rings having one or more notches on the upper and / or lower flat side of the ring.
- WO2009121626 A1 relates to a process for the preparation of a nanocrystalline molybdenum mixed oxide, and the use of the molybdenum mixed oxide in a catalyst for chemical reactions, e.g. in a supported catalyst for the conversion of acrolein to acrylic acid.
- the object of the present invention is to provide a shaped catalyst body for the catalytic conversion of organic and inorganic compounds, which is improved in comparison with the prior art and in particular allows catalytic reactions of organic and inorganic compounds with a higher selectivity and with a higher productivity ,
- Packages of shaped catalyst bodies typically lead to a pressure loss when flowing through a fluid (gas / liquid).
- a fluid gas / liquid
- a certain reactor input pressure can be applied to allow the reaction mixture to flow through fixed bed reactors.
- a shaped catalyst body for the catalytic conversion of organic and inorganic compounds in fixed bed reactors wherein the shaped catalyst body is designed as a cylinder with a base, a cylindrical surface, a cylinder axis and at least one continuous, parallel to the cylinder axis opening and the Base surface of the cylinder has at least four corners. The corners can serve as spacers to adjacent moldings.
- Per Energy expenditure can be generated by using the shaped catalyst bodies of embodiments more valuable product than with rings.
- the shaped catalyst bodies of embodiments described here surprisingly also have a higher mechanical stability.
- the use of the shaped catalyst bodies according to the invention, also referred to herein as shaped bodies, is described below by the example of the partial oxidation of butane to maleic anhydride in the gas phase in fixed bed reactors, but is not limited thereto.
- the moldings can be used in all flow-through fixed bed reactors containing beds of shaped catalyst bodies and are used for the catalyzed reaction of organic and inorganic components in the gas and liquid phases.
- the shaped catalyst bodies of embodiments described herein are characterized by an increased specific activity per g / catalyst and an increased selectivity. As a result, increased productivity can again be obtained.
- productivity means the mass flow of, for example, MSA per catalyst mass
- Increased productivity means that more product, eg maleic anhydride (MSA), can be synthesized in an existing production unit per unit time
- Pressure loss of a catalyst bed now at least 2 0% higher space velocities (GHSV volume flow / catalyst volume) are used, compared with known moldings geometries, such as balls, massive cylindrical tablets or extrudates is maximum, for example, with one of the previously known moldings a GHSV of 250 0 hT 1 possible, so are using the catalyst moldings according to embodiments space velocities of at least 3 0 0 0 hT 1 at the same Pressure loss achievable. Due to the specific lower
- the moldings according to embodiments surprisingly enable molding with lower pressing and / or ejection forces than e.g. annular shaped body. This reduces the mechanical wear of the tools used to form the moldings.
- used tools such as tabletting tools with punches and dies, are heavily loaded mechanically. The higher the mechanical load, the more the tools are worn out, which leads to a shortening of tool life.
- the maximum temperature in the catalyst bed (hot spot temperature) with shaped catalyst bodies of embodiments is lower than in the case of known shaped catalyst bodies. This can be attributed to the fact that improved heat removal and heat distribution is achieved by the geometry of shaped catalyst bodies according to the invention in catalyst beds.
- the shaped catalyst bodies of embodiments described herein have a high mechanical stability, so that, for example, during transport of the shaped bodies and filling of a tube bundle reactor with the shaped catalyst bodies
- shaped catalyst bodies according to some embodiments have rounded boundary lines. This will be a simple and reproducible filling a reactor allows with a small formation of gaps.
- shaped catalyst bodies according to embodiments have relatively short diffusion paths.
- the short diffusion paths result in a high degree of pore utilization, so that a lower catalyst mass can be used to achieve a desired hydrocarbon conversion and a higher selectivity, for example of MSA, since the total oxidation of MSA to CO and CO 2 is suppressed.
- shaped catalyst bodies according to embodiments have lower densities with at least the same molding stability. This results in higher pore volumes and larger pore dimensions, which accelerates the diffusion of the reactants and products in the catalyst body.
- the improved diffusion leads to higher pore efficiencies, so that a lower catalyst mass can be used to achieve a desired hydrocarbon conversion, as well as higher selectivity of MSA, for example, since the total oxidation of MSA to CO and CO 2 is suppressed.
- a geometric base body enveloping the shaped catalyst body may be a prism having a prism base area with a length and a width, wherein the length is greater than the width.
- the prism can be a cuboid.
- a depression in the cylinder surface may be provided between two adjacent corners in the catalyst molding.
- an elevation in the cylindrical surface may be provided between two adjacent corners.
- the shaped catalyst body can comprise two oppositely arranged recesses and / or two oppositely arranged elevations. The elevations can also be understood as further corners of the shaped catalyst body.
- the shaped catalyst body has a parallel to the cylinder axis opening.
- the shaped catalyst body has four corners.
- at least one element selected from the corners, the indentation, the indentations, the elevation and the elevations may be rounded.
- the corners, the recess (s) and the elevation (s) are limited in this case of circular arcs. Rounded corners of the shaped catalyst body also become here
- Known prismatic catalyst shaped bodies generally have a relatively low stability along their longitudinal edges, so that, for example, during the filling process of a reactor with the corresponding shaped catalyst bodies, flaking in the region of the longitudinal edges can occur. This is avoided by the rounded elements of the shaped catalyst body described herein embodiments.
- the through openings According to a manufacturing technology easy to implement and thus cost-effective embodiment of the shaped catalyst body, the through openings have a circular or oval cross-section.
- the corners of the shaped catalyst body are enveloped by prism corners of the prism base of the geometric base body surrounding the shaped catalyst body. Two corners may be the length of the prism base. area and / or two corners define the width of the
- the elevation or elevations may be provided between corners defining the length and / or the depression or depressions may be provided between corners defining the width.
- the through openings of the catalyst molding according to a particularly preferred embodiment, a diameter of about 0.5 mm to 3 mm, preferably 1 mm to 2.5 mm up.
- the through-openings have the same diameter. According to an alternative embodiment it can be provided that the through-openings have a different diameter from each other.
- a factor which determines the filling density of shaped catalyst bodies in a reactor is the geometry of the shaped catalyst bodies.
- it can, according to a further Ren embodiment of the catalyst molding may be provided that at least two of the at least four rounded corners, such as the praise, have the same outer diameter.
- at least two or all lobes or corners have the same or a different outer diameter.
- the filling density of a reactor loaded with shaped catalyst bodies depends on the size of the corresponding shaped bodies.
- the shaped bodies preferably have a height of approximately 2 to 20 mm, in particular of 3 to 10 mm, preferably 3 to 6 mm. The height is the dimension of the catalyst shaped body parallel to the cylinder axis.
- the corners of the shaped catalyst body are rounded, each having a center of gravity, and / or at least two of the corners are different from each other.
- the center of gravity of each of the cylinder axis about 1.5 to 5 mm, preferably 2.5 to 4 mm, be removed.
- the rounded corners may have a diameter of rounding in the range of about 1 to 2 mm. The radius of each of the rounded corners formed
- Circular arc can range from about 0.5 to 2.5 mm.
- the radius of the circular arc formed by the rounded protrusions may be in the range of approximately 2 to 3.5 mm.
- the radius of the circular arc formed by the rounded depressions can be in the range of approximately 1 to 9 mm.
- the corners of the shaped catalyst body can be arranged in such a way in the base area, that the angle between the perpendicular to a straight line through the centers of gravity of two corners defining the width of the prism base, and a straight line through the center of gravity of these corners and through the cylinder axis about 10 ° to 75 °, preferably 25 ° to 60 °.
- the outer diameter of the cylinder or the distance between two opposing recesses may be about 3 to 10 mm, preferably 5 to 8 mm.
- the diameter of the opening or openings of the catalyst molding may be 0.5 to 4 mm, preferably 1 to 3 mm.
- the enveloping geometric primitive is a box.
- the ratio of the volume of the shaped body according to the invention to the volume of the surrounding cuboid greater than 80% without regard to the opening (s), i. including the volume of the opening (s), and greater than 70% in consideration of the opening (s), i. excluding the volume of the opening (s).
- the shaped body according to the invention has a geometric surface area of approximately 0.15 cm 2 to 5 cm 2, preferably 0.5 cm 2 to 4 cm 2, particularly preferably 1 cm 2 to 3.5 cm 2, in particular 1.5 cm 2 to 3 cm2.
- the ratio of the geometric surface of the shaped body to the volume of the shaped body is approximately 1 to 1.8 mm 4 , and preferably the ratio of the geometric surface of the shaped body to its volume is at least 1.2 mm 4 or between 1 , 2 and 1.8 mm 4 , wherein as volume of the shaped body the volume minus the volume of the opening (s) was used, ie taking into account the opening (s).
- the bulk density of the shaped catalyst body is less than 0.75 kg / l, preferably between 0.45 and 0.7 kg / l.
- an average unidirectional lateral compressive strength is greater than 28 N, preferably between 30 and 60 N, and / or another average unidirectional lateral compressive strength, i. the lateral compressive strength in another direction, greater than 70 N, preferably between 80 and 240 N.
- the BET surface area of the shaped catalyst body according to the invention can be about 10 to 300 m 2 / g, preferably 12 to 80 m 2 / g, particularly preferably 15-50 m 2 / g.
- the BET surface area is determined according to the one-point method by adsorption of nitrogen in accordance with DIN 66132.
- the integral pore volume (determined according to DIN 66133 (Hg porosimetry)) is> 100, preferably> 180 mm 3 / g.
- the shaped catalyst bodies according to embodiments may include the catalytically active component (s), here also called catalyst component (s), for example in pure, undiluted form as a so-called “full catalyst” or diluted with a preferably oxidic support material as a supported catalyst or as a so-called supported “catalyst”.
- s catalytically active component
- supported catalysts also known as coat or coating catalysts, which are understood to mean solid catalysts prepared by coating a (typically non-porous) carrier body with a porous layer containing the actually catalytically active species.
- the catalytically active species such as precious metals such as Pd, Pt, Au, Ag, etc.
- a porous support such as S1O2 , Al2O3, T1O2, Zr2, etc.
- the supported catalysts produced by the impregnation process usually have chemical-physical interactions between the support and active species, which have a decisive influence on the catalytic process.
- the carrier body merely serves for structural support.
- Suitable support materials for the supported catalysts are, for example, aluminum oxide, silicon dioxide, aluminum silicates, zirconium dioxide, titanium dioxide or mixtures thereof.
- the content of the catalyst component in the catalyst molding is preferably about 3 to 50% by weight, based on the total weight of the catalyst molding. In the case of a supported catalyst, the content of the catalyst component in the shaped catalyst body is 3 to 50% by weight, preferably 5 to 30% by weight, based on the total weight of the shaped catalyst body.
- the shaped catalyst body of embodiments may be formed as a full catalyst, as a supported catalyst or as a supported catalyst.
- the shaped catalyst body may comprise oxides of vanadium and phosphorus, e.g. For the production of
- catalytically active components of the catalyst molding may be one or more metals of the subgroups of the periodic table, one or more metal oxides or metal mixed oxides of metals of the subgroups of the periodic table.
- the molded article may comprise Bi, Mo, Fe, Ni, W, Sb, Co, Mg, Zn, Si, K, Cs, their oxides and / or their mixed oxides as catalytic active components, for example, for the conversion of propene to acrolein Moldings may also include Mo, V, W, Cu, Sb, their oxides and / or their mixed oxides as catalytically active components, for example for the reaction of acrolein to acrylic acid.
- the molded article may contain, for example, Mo, V, Te, Nb, Sb, for example, the reaction of propane to acrylic acid.
- one or more noble metals, such as Pd, Pt, Au and / or Ag as catalytically active components may comprise the shaped body of embodiments, for example for the production of vinyl acetate from ethene in the presence of acetic acid.
- the catalyst molding may, in embodiments, contain as further catalytically active component a promoter selected from metals of the Periodic Table of the Elements.
- the catalyst component contains oxides of vanadium and phosphorus and corresponds to the general formula VP x O y M z where M is at least one promoter, x is a number from 0.1 to 3, y is one of the valences of V , P and M are matched numbers, and z represents a number from 0 to 1.5.
- the promoter may be selected from the metals.
- the promoter is selected from chromium, nickel, magnesium, aluminum, silicon, tungsten, niobium, antimony and / or cesium.
- the promoter is further selected from lithium, zinc, iron, bismuth, tellurium, silver, molybdenum and / or zirconium.
- the proportion of the promoter in the form of an oxide or in the form of a compound which can be converted into an oxide is 0.005% by weight to 5% by weight, based on the total weight of the molding.
- Auxiliaries may also be added to the shaped catalyst body, for example tabletting aids or pore-forming agents. ner. Tabletting aids are generally added when the shaping of the shaped catalyst body takes place via tableting. Tableting aids are generally catalytically inert and improve the tabletting properties of the so-called catalyst precursor powder, for example by increasing the lubricity and / or flowability.
- a particularly suitable tabletting aid is graphite, for example.
- the added tabletting aids can remain in the activated catalyst and are generally of the order of 1 to 5% by weight in the catalyst molding in relation to the total weight of the catalyst molding.
- the shaped catalyst body may contain pore formers.
- Pore formers are substances which are used for targeted adjustment of the pore structure in the meso and macroporous region. These are generally compounds containing carbon, hydrogen, oxygen and / or nitrogen, which are added to the catalyst precursor powder before shaping and decompose or evaporate during the subsequent activation of the catalyst molding, for example by calcination, and thus for the most part Part emerge from the resulting molding and thereby create pores.
- the shaped catalyst body of embodiments can be used for a partial oxidation reaction, for a partial oxidation reaction of one or more hydrocarbons, for the production of maleic anhydride from hydrocarbon, for the production of vinyl acetate monomer by oxidation of ethene in the presence of acetic acid, or for the oxidation of propene or propane to acrolein and / or acrylic acid.
- One embodiment relates to the use of the shaped catalyst body according to the above embodiments for partial oxidation reactions.
- NEN for partial oxidation of hydrocarbons or for the production of maleic anhydride from hydrocarbons.
- n-butane can be used as the hydrocarbon.
- the following is a use of embodiments for the production of
- Non-aromatic hydrocarbons having 4 to 10 carbon atoms can be used as hydrocarbons. It is required that the hydrocarbon contains not less than 4 carbon atoms in a straight chain or in a ring. Particularly suitable is the hydrocarbon n-butane. Besides n-butane, pentanes, hexanes, heptanes, octanes, nonanes, decanes or mixtures of any of these compounds with or without n-butane are also suitable, provided that they contain at least 4 straight chain carbon atoms.
- Unsaturated hydrocarbons may also be used for conversion to maleic anhydride.
- Suitable unsaturated hydrocarbons are, for example, butenes (1-butene and 2-butene), 1, 3-butadiene, the pentenes, the hexenes, the heptenes, the octenes, the nonenes, the decenes and mixtures of any of these compounds with the proviso that they contain at least 4 carbon atoms in straight chain.
- suitable are substituted and unsubstituted furans, for.
- tetrahydrofuran also aromatic compounds, such as benzene and its derivatives.
- the shaped catalyst body according to the embodiments described here can be produced, for example, as described in WO 97/12674, the shaping taking place in accordance with the geometry of the embodiments.
- the essential steps of a possible preparation of a VPO catalyst shaped body to form a catalyst precursor powder, shaping and subsequent activation are briefly explained below as an example:
- a pentavalent vanadium compound for example, V 2 0 5
- a reducing solvent for example isobutanol
- a pentavalent phosphorus compound for example, o-phosphoric acid or other phosphoric acid such as pyrophosphoric acids and / or mixtures thereof, etc.
- a promoter for example, o-phosphoric acid or other phosphoric acid such as pyrophosphoric acids and / or mixtures thereof, etc.
- the abovementioned reaction can be carried out in the presence of a carrier material which is, for example, pulverulent and is dispersed in the solvent.
- pulverulent carrier material and / or a pore-forming agent can be mixed in with the dried catalyst precursor.
- the drying can be carried out, for example, under reduced pressure under protective gas or under excess oxygen.
- a tableting aid may be added to the dried catalyst precursor.
- Noble gases, carbon dioxide, hydrocarbons, carbon monoxide and / or water vapor or mixtures thereof may contain.
- temperature, heating rate, treatment time and gas atmosphere the mechanical and / or catalytic properties of the shaped catalyst body can be determined.
- the catalyst molding can be prepared, for example, by first mixing the dried catalyst precursor powder with a binder or with a lubricant. The molding is then produced, for example, in a tablet press with a turntable, on whose circumference a plurality of openings having a corresponding cross section, for example a quadrulobal cross section, are arranged. In this opening (dies), the mixture is filled, which is held from below by a stamp, through which during the rotation of the turntable, for example, three pins which are located at the locations of the openings to be generated, are pushed upwards. Upon further rotation of the turntable engages from above a punch with a corresponding cross-section, which is provided with openings into which the pins penetrate upon depression of the upper punch. The pressed moldings are pushed out of the dies as the turntable continues to rotate upon retraction of the lower punch and advancement of the upper punch. The resulting shaped catalyst body is then activated, e.g. by calcining.
- Fig. La and lb a shaped catalyst body according to a first
- a shaped catalyst body 100 according to a first example (example 1) of an embodiment is shown.
- the shaped catalyst body is designed as a cylinder with a base 150, a cylindrical surface 152, a cylinder axis 154 and at least one continuous opening 160 extending parallel to the cylinder axis.
- a geometric base body enveloping the shaped catalyst body 100 is a prism 10 having a hexagonal base 11, as in FIG Fig. Lb shown.
- a prism with a quadrangular base may be selected, for example a cuboid.
- FIG. 1 a shows a perspective view of the shaped catalyst body 100, while FIG. 1 a shows a perspective view of the shaped catalyst body 100, while FIG. 1 a shows a perspective view of the shaped catalyst body 100, while FIG. 1 a shows a perspective view of the shaped catalyst body 100, while FIG. 1 a shows a perspective view of the shaped catalyst body 100, while FIG. 1 a shows a perspective view of the
- Base surface 150 of the shaped catalyst body and on the base surface 11 of the prism 10 represents.
- the cylinder as well as the base 150 of the cylinder has four rounded corners 110, 120, 130 and 140, ie prongs extending along the cylinder parallel to the cylinder axis.
- the lobes 110 and 120 or 130 and 140 each form a long side 156 of the base 150.
- the lobes 120 and 130 and 140 and 110 together each form a wide side 158 of the base 150.
- the dimensions of the long sides 156 are larger as the dimensions of the wide sides 158.
- the dimension of the long side 156 is 7.2 mm, the dimension of the wide side 158 is 5.5 mm.
- the four lobes 110, 120, 130, 140 each have the same outer diameter of 1.5 mm, ie, the radius of each arc formed by the lobes is 0.75 mm.
- a survey 170 is provided between the praise, while recesses 172 are present on the broad sides 158 between the praise.
- the shaped catalyst body 100 can therefore be referred to as double alpha. It is designed as a ring or hollow cylinder, the lobes serve as spacers.
- the outer diameter of the cylinder, ie, the distance between the recesses 172 is 6 mm.
- the diameter of the opening 160 is 2.4 mm.
- the corners 110 to 140 each have a center of gravity 180, wherein the center of gravity is in each case 3.5 mm away from the cylinder axis.
- the position of the rounded corners or prongs 110 to 140 is defined by an angle.
- the corners 110 to 140 are arranged in the base surface such that the angle between the perpendicular to a straight line through the centers of gravity of the corners 120 and 130 or 140 and 110, the width of the
- the length of the praise is defined by the distance from the cylinder axis to the center of gravity of the praise, which in this example is 3.5 mm.
- the radii of the arcs formed by the elevations 170 are each 6 mm and the radii of the circular arcs formed by the recesses 172 are each 3 mm.
- the elevations 170 can be understood as two further corners of the shaped catalyst body 100, which are different from the corners 110 to 140.
- the height, i. the length parallel to the cylinder axis 154, the shaped catalyst body 100 is 6 mm.
- the enveloping geometric shape is the prism 10, whose cross-section is longer than it is wide.
- the hexagonal base of the prism 10 enveloping the shaped catalyst body 100 is stretched in the present example by the corners 110 to 140 and the elevations 170.
- the prism surrounding the molding 100 may be a parallelepiped having a rectangular base whose short side is defined by the protrusions 170 and the long side thereof by the corners 110 and 120 and 130 and 140, respectively.
- FIGS. 2 a and 2 b show a shaped catalyst body 200 according to a second example (example 2) of an embodiment.
- the molded body 200 differs from the molded body 100 in the length of the prongs 210, 220, 230, 240, which in this example is 3 mm.
- Figures 3a and 3b illustrate, as third and fourth examples (Examples 3 and 4) of one embodiment, the shaped catalyst bodies 300 and 400.
- the shaped catalyst bodies 300 and 400 of these examples are made smaller than the shaped bodies 100 and 200, with the following dimensions: the height ie the dimension of the shaped catalyst body parallel to the cylinder axis is 5.5 mm.
- the diameter of the opening 360 or 460 is 2.4 mm.
- the length of the praise 310-340 or 410-440 is 3.5 mm.
- the long sides of the base have a dimension of 6.67 mm.
- the broad sides of the base have a dimension of 5.9 mm.
- the angle for defining the position of the praise is 40 ° each. Of the
- Diameter of the praise 310 to 340 and 410 to 440 is 1.4 mm.
- the recesses 372 and 472 have as limit
- Circular arcs with radius 4 mm The elevations 370 and 470 form circular arcs each of a radius of 2.75 mm.
- the radii of the recesses formed between the corners 310 to 340 and the elevations 370 and 470, respectively, are 2.5 mm for the third example, shaped bodies 300 (FIG. 3a) and shaped bodies 400 (FIG. 3b) for the fourth example. 1.5 mm. In Examples 3 and 4 this is the respective shaped body
- the radius of the circular arc formed by the rounded corners 110 to 140, 210 to 240, 310 to 340 and 410 to 440 may be in the range of 0.5 to 2.5 mm.
- the radius of the circular arc formed by the rounded elevations 170, 270, 370 and 470 can, according to the invention, be in the range from 2 to 3.5 mm.
- the radius of the circular arc formed by the rounded depressions 172, 272, 372 and 472 can be in the range from 1 to 9 mm.
- a comparative example consists of a ring with a diameter of 5.6 mm, a dimension (height) along the ring axis of 5.6 mm and a hole diameter of 2.4 mm.
- the improved pressure loss behavior of packings of the moldings 100, 200 and 300 in comparison to a bed of the ring from the comparative example is shown in FIG. 4.
- the measurements were carried out at room temperature and the volume flow was 4 m 3 / h (standard conditions).
- the moldings of Examples 1 to 3 and of the comparative example from the vanadium-phosphorus mixed oxide (VPO) were used.
- Examples 1 to 3 and the comparative example were formed, but consisted of the Al 2 O 3 / SiO 2 mixed oxide.
- Fig. 4 the resulting dynamic pressure of the test series of Examples 1 to 3 and the comparative example is plotted as a function of the bed height. It can be seen from FIG. 4 that the pressure loss when using a bed of Example 1, a bed of Example 2 and a bed of Example 3 was significantly lower than when using a bed of Comparative Example.
- the test series of Examples 1a, 2a, 3a, and Comparative Example a is not shown in Fig. 4, since it led to the results identical with the test series of Examples 1 to 3 and Comparative Example. It thus turned out that there is no difference in the dynamic pressure behavior when moldings of VPO or Al 2 O 3 are produced. The possible differences in the surface roughness play no or only a minor role.
- Tables 2 and 3 show the results of the performance measurements on two different GHSVs.
- the length of the bed was 5.5 m in each case in the reactor with a tube inner diameter of 21 mm. In each case 2650 mbar (absolute) were set as the reactor inlet pressure.
- a GHSV of 1810 hT 1 and for the measurements of Table 3 a GHSV of 2015 hT 1 was used.
- Hot Spot Tem453 443 448 445 temperature ° C
- Table 4 shows additional characteristic data of the shaped catalyst bodies 100, 200 and 300 of Examples 1 to 3 in comparison to data of rings of the comparative example.
- the bulk density was determined in the tube with a length of 1 m and an inner diameter of 21 mm based on DIN ISO 697. Differences in the measuring method used for the method according to DIN ISO 697 were the measuring volume, obtained by the length of 1 m of the tube and the inner diameter of 21 mm, and the use of moldings instead of powder.
- the tablet density was measured by means of Hg porosimetry (Porotec, Pascal440 Series) according to DIN 66133. The measurement of the lateral compressive strength was carried out with a tablet tester (Phramatron, Dr. Schleuniger, Model 6D), according to ASTM
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102010052126A DE102010052126A1 (de) | 2010-11-22 | 2010-11-22 | Katalysatorformkörper für durchströmte Festbettreaktoren |
PCT/EP2011/070695 WO2012069481A1 (de) | 2010-11-22 | 2011-11-22 | Katalysatorformkörper für durchströmte festbettreaktoren |
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EP2643086A1 true EP2643086A1 (de) | 2013-10-02 |
EP2643086B1 EP2643086B1 (de) | 2019-06-19 |
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EP11793371.3A Active EP2643086B1 (de) | 2010-11-22 | 2011-11-22 | Katalysatorformkörper für durchströmte festbettreaktoren |
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US (1) | US9409160B2 (de) |
EP (1) | EP2643086B1 (de) |
CN (1) | CN103269798B (de) |
DE (1) | DE102010052126A1 (de) |
ES (1) | ES2737431T3 (de) |
HU (1) | HUE046812T2 (de) |
TW (1) | TWI455759B (de) |
WO (1) | WO2012069481A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021074028A1 (de) * | 2019-10-15 | 2021-04-22 | Clariant International Ltd | Neues reaktorsystem fuer die herstellung von maleinsaeureanhydrid durch katalytische oxidation von n-butan |
EP4357019A1 (de) | 2022-10-21 | 2024-04-24 | Clariant International Ltd | Vpo-katalysator mit verbesserter selektivität und stabilität sowie verfahren zu dessen herstellung |
WO2024084002A1 (en) | 2022-10-21 | 2024-04-25 | Clariant International Ltd | Mechanically stable vpo catalyst and process for the production thereof |
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DE102014004786B4 (de) | 2014-04-02 | 2021-09-30 | Clariant International Ltd. | Alkalimetall-modifizierter Vanadium-Phosphor-Oxid (VPO)-Katalysator |
EP2985075A1 (de) | 2014-08-15 | 2016-02-17 | Basf Se | Formkörper hergestellt aus einem porösen Material |
CN104741110A (zh) * | 2015-03-25 | 2015-07-01 | 襄阳市精信催化剂有限责任公司 | 二氧化硫氧化制备硫酸催化剂的工艺 |
EP3325144A4 (de) | 2015-07-22 | 2019-01-16 | BASF Corporation | Katalysatoren mit hohem geometrischem oberflächenbereich für die herstellung von vinylacetatmonomer |
EP3320971A1 (de) * | 2016-11-15 | 2018-05-16 | Basf Se | Mechanisch stabiler katalysator zur hydrierung von carbonylverbindungen und verfahren zu dessen herstellung |
EP3603805B1 (de) * | 2017-03-27 | 2024-01-03 | Mitsubishi Chemical Corporation | Katalysator und katalysatorgruppe |
EP3752285A4 (de) * | 2018-02-12 | 2021-11-24 | Huntsman Petrochemical LLC | Runder kleeblattförmiger katalysator mit kern zur herstellung von maleinsäureanhydrid |
DE102019127790A1 (de) * | 2019-10-15 | 2021-04-15 | Clariant International Ltd | Neues Katalysatorsystem für die Herstellung von Maleinsäureanhydrid durch katalytische Oxidation von n-Butan |
JP2022554292A (ja) | 2019-10-31 | 2022-12-28 | 中国石油化工股▲ふん▼有限公司 | 担持触媒、その調製方法およびその適用 |
WO2021239483A1 (en) | 2020-05-26 | 2021-12-02 | Basf Se | Shaped catalyst body with improved properties, its preparation and use |
CN115996791A (zh) | 2020-06-26 | 2023-04-21 | 巴斯夫欧洲公司 | 生产多孔α-氧化铝催化剂载体的方法 |
WO2022268348A1 (en) | 2021-06-25 | 2022-12-29 | Basf Se | High purity tableted alpha-alumina catalyst support |
US11731120B1 (en) | 2022-03-11 | 2023-08-22 | Saudi Arabian Oil Company | Lobular catalyst structure and reactor for hydrocarbon conversion by hot and compressed water based processes |
WO2024079247A1 (en) | 2022-10-12 | 2024-04-18 | Basf Se | Epoxidation catalyst |
DE102022004204A1 (de) | 2022-11-12 | 2024-05-23 | Hans-Jürgen Eberle | Vefahren zur Herstellung von Maleinsäureanhydrid |
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2011
- 2011-11-16 TW TW100141786A patent/TWI455759B/zh active
- 2011-11-22 HU HUE11793371A patent/HUE046812T2/hu unknown
- 2011-11-22 WO PCT/EP2011/070695 patent/WO2012069481A1/de active Application Filing
- 2011-11-22 US US13/988,583 patent/US9409160B2/en active Active
- 2011-11-22 ES ES11793371T patent/ES2737431T3/es active Active
- 2011-11-22 EP EP11793371.3A patent/EP2643086B1/de active Active
- 2011-11-22 CN CN201180055916.1A patent/CN103269798B/zh active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021074028A1 (de) * | 2019-10-15 | 2021-04-22 | Clariant International Ltd | Neues reaktorsystem fuer die herstellung von maleinsaeureanhydrid durch katalytische oxidation von n-butan |
EP4357019A1 (de) | 2022-10-21 | 2024-04-24 | Clariant International Ltd | Vpo-katalysator mit verbesserter selektivität und stabilität sowie verfahren zu dessen herstellung |
WO2024084003A1 (de) | 2022-10-21 | 2024-04-25 | Clariant International Ltd | Vpo-katalysator mit verbesserter selektivität und stabilität sowie verfahren zu dessen herstellung |
WO2024084002A1 (en) | 2022-10-21 | 2024-04-25 | Clariant International Ltd | Mechanically stable vpo catalyst and process for the production thereof |
Also Published As
Publication number | Publication date |
---|---|
US9409160B2 (en) | 2016-08-09 |
ES2737431T3 (es) | 2020-01-14 |
CN103269798B (zh) | 2016-08-03 |
TW201223641A (en) | 2012-06-16 |
US20130338378A1 (en) | 2013-12-19 |
CN103269798A (zh) | 2013-08-28 |
WO2012069481A1 (de) | 2012-05-31 |
HUE046812T2 (hu) | 2020-03-30 |
EP2643086B1 (de) | 2019-06-19 |
DE102010052126A1 (de) | 2012-05-24 |
TWI455759B (zh) | 2014-10-11 |
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